While I'm not ready to write him off 100% you have to wonder why? Look at the rotations at PF he's played with. Jason Thompson and chuck Hayes on Sacramento and Greg smith and Montiejunas on Houston. He couldn't even crack the rotation on either team playing with sub par PFs.
Very well put. And now Houston is willing to trade him primarily as a salary dump. Traded twice before his second year...both times by teams that were stocking young talent. You'd think if he showed signs of being something special, that wouldn't be the case.